<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8">
  <title>Document</title>
  <style>
    
  </style>
</head>
<body>
  
</body>
<script>

  console.log( Math );

  console.log( Math.round( 4.9 ) );
  console.log( Math.random() );
  console.log( Math.abs( -5 ) );
  console.log( Math.floor( 3.999999 ) );
  console.log( Math.ceil( 3.0000000001 ) );
  console.log( Math.max( 23,56,27,81,14,29 ) );
  console.log( Math.min( 23,56,27,81,14,29 ) );
  console.log( Math.min( [23,56,27,81,14,29] ) );
  console.log( Math.pow( 2, 4 ) );
  console.log( Math.sqrt( 9 ) );

  var deg = 90;
  console.log( Math.sin( Math.PI / 180 * deg ) );
  console.log( Math.cos( Math.PI / 180 * deg ) );

  console.log( Math.PI );
  
</script>
</html>